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Compare AI tools

Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
Pick tools (4 selected)
chat
research
coding
image
video
voice
meeting
design
productivity
audio
writing
agents
dev platform
data
marketing
education
GitHub Copilot
B
Runway
S
Reflect
A
Luma Dream Machine
A
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.The pro's AI video tool. Gen-4 is the current bar.AI-powered networked notes. Roam with a brain.Smooth, cinematic motion. Image-to-video specialist.
Categorycodingvideoproductivityvideo
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $15-$95/mo$10/moFree + $10-$500/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Marketing video, pitch decks, b-roll, creative shorts.Knowledge workers + thinkers who want AI in their second brain.Photographers animating stills, cinematic b-roll.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Expensive at scale
  • Still needs post-editing
  • Expensive for just notes
  • Smaller community than Obsidian
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier. Market leader with reason. Start here for serious video.A-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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